Why is there a big end and small end in connecting rod?

The small end of the connecting rod is connected to the piston pin and the big end to the crank pin. The purpose of the connecting rod is to convert the linear motion of the piston into the rotary motion of the crankshaft.

What is the main reason that the connecting rods are manufactured with oblique split?

That is because, The perpendicular force acting on the piston head is transferred to the crank shaft by means of connecting rod. So the surface of crank should tolerate the forces exerted by reciprocating parts. To do so, bigger surfaces are obviously required.

What is the advantage of a split fracture connecting rod?

The fracture splitting method is an innovative processing technique in the field of the automobile engine connecting rod (con/rod) manufacturing. Compared with traditional method, the technique has remarkable advantages. It can decrease manufacturing procedures, reduce equipment and tools investment and save energy.

Why do connecting rods have serrations?

connecting-rod cap on the rod, serrations also form very strong buttresses against the inertia-force components acting tangentially to the split line of the rods. Many obliquely split connecting rods are therefore provided with serrated joint faces, especially those which may be subjected to large inertia forces.

What is the big end of a connecting rod?

The big end of the connecting rod connects to the crankpin journal to provide a pivot point on the crankshaft. Connecting rods are produces as one piece or two-piece components. A rod cap is the removable section of a two-piece connecting rod that provides a bearing surface for the crankpin journal.

When the length of connecting rod is small it results in?

When the connecting rod is short compared to crank radius, it possesses greater angular swing which results in greater side thrust on piston. For high speed vehicles the length of connecting rod to crank radius is generally 4 or less.

What is a bottom end bearing?

Bearings can be found in a number of locations across the engine: Cylinder Block/Bottom End. Main Bearing – Located on the Crankshaft Main journals. Big End Bearing – Located at the ‘Big End’ of the Connecting Rod, where it connects to the Crankshaft.

What is fracture split connecting rods?

Actually, a fracture split connecting rod is a technology used in some of the very latest engine designs on the market. Usually, connecting rods and their adjoining end caps are separately forged and machined. The end cap is then cut from the rod and machined for a precise fit.

How do you check a connecting rod bending?

One can check bend by using two pins and v block. In this method, two pins with exactly same diameter of pin bore and crank bore are used. Length of pins should be longer than the width of connecting rod and both the pins should be of same length. Connecting rod is rested on v block.

What are force’s acting on bottom end bearing of connecting rod?

the forces acting on the bearing surfaces. In the case of the connecting rod in the reciprocating engine the bearing forces arise from a combination of gravity, linear acceleration, rotational accel- eration, and piston-head pressure.

What is the bottom end on a car?

Bottom end means the engine block, pistons, rings, connecting rods, crankshaft, etc. The top end is the cylinder head,valves, etc !

Why is the connecting rod end smaller than the piston end?

The end with the piston needs to be smaller because it only has to go around a wrist pin in the piston & clear the piston skirts and the other end has to go around the crankshaft journal which is way larger then the wrist pin. Also the large end of the connecting rod helps in increased bearing area & decreased bearing load.

What is the function of a connecting rod in a car?

A Connecting rod is used to transfer reciprocating motion of piston into rotary motion of crankshaft. This whole process is done by cylinder, piston, crankshaft and connecting rod. It has two ends – Small End and Big End. The small end is connected to piston with piston pin and the big end is hold by crankshaft through crankpin.

How does the connecting rod connect the piston to the crankshaft?

There is a bearing in the small end of the connecting rod. The big end of the connecting rod has a detachable cap, and carries 2 halves of the big end bearing. The big end is attached to the crankshaft The connecting rod connects the piston to the crankshaft.

What is the big end of a single rod?

The big end of a single rod is made in one part instead of two. A needle bearing is fitted in it This type of connecting rod in which consists big end is made up of 2 pieces A bush made of bronze or gunmetal is fitted between the connecting rod’s small end and piston. The bearing on the big end is made up of :